IGCSE MATHS/MATHEMATICS EXAM GRADED A+
Area of a parallelogram - correct answer base (b) x height (h)
// ABSinθ
Curved surface area of a cone - correct answer πrl (where l =
√(r2 + h2) )
Triangle Area (not a right angled triangle) - correct answer 1/2
x ab SinC // √s(s - a)(s - b)(s - c) [where s= (a+b+c)/2 ]
Triangle Area Formula (right angled) - correct answer A=1/2 x
base x height
Sphere Surface Area Formula - correct answer SA=4πr²
, IGCSE MATHS
Cuboid Surface Area Formula - correct answer 2(lb + bh + lh)
Surface area of a cube formula - correct answer 6s²
Curved Surface Area of a Hemisphere - correct answer 2πr²
Surface Area of a Pyramid - correct answer Base Area + area of
the shapes in the side
Curved surface area of a cylinder - correct answer 2πrh
Total Surface Area of a Cone - correct answer πr(l + r)
Total surface area of a cylinder - correct answer 2πr(h + r)
Sqaure Area - correct answer Side x Side
Area of a rectangle - correct answer length x breadth